Roll Skia from 9f821489c9f3 to f8a6b5b4b0d0 (1 revision) (flutter#19643)

Author: skia-flutter-autoroll

DEPS

@@ -26,7 +26,7 @@ vars = {
   'skia_git': 'https://skia.googlesource.com',
   # OCMock is for testing only so there is no google clone
   'ocmock_git': 'https://github.com/erikdoe/ocmock.git',
-  'skia_revision': '9f821489c9f39c53bba496217cd7c1cf2ae9742b',
+  'skia_revision': 'f8a6b5b4b0d02895f70af4158c47c3069488a64a',
 
   # When updating the Dart revision, ensure that all entries that are
   # dependencies of Dart are also updated to match the entries in the

ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: 08851211b73fff32f715fd961858f6d3
+Signature: b63f90d0cdd71df9edf7508619ff94ce
 
 UNUSED LICENSES:
 
@@ -2037,6 +2037,7 @@ TYPE: LicenseType.bsd
 FILE: ../../../third_party/skia/bench/BenchLogger.cpp
 FILE: ../../../third_party/skia/bench/BenchLogger.h
 FILE: ../../../third_party/skia/bench/ChecksumBench.cpp
+FILE: ../../../third_party/skia/bench/FilteringBench.cpp
 FILE: ../../../third_party/skia/bench/GameBench.cpp
 FILE: ../../../third_party/skia/bench/GrMemoryPoolBench.cpp
 FILE: ../../../third_party/skia/bench/LineBench.cpp